今天的美好时光，就是明天的悲伤回忆。

I’d tell men and women in their mid-twenties not to settle for a job or a profession or even a career. Seek a calling. Even if you don’t know what that means, seek it. If you’re following your calling, the fatigue will be easier to bear, the disappointments will be fuel, the highs will be like nothing you’ve ever felt.

"In the realm of computer science, the most profound discoveries often come from the simplest observations."

The truth is, we are all capable of great evil and great good. It is the choices we make that define us.

合作是关键。没有任何一家公司或国家能够单独解决能源和气候挑战。